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Tri-Tek Electronics is proud to feature a wide variety of professional CCTV video surveillance cameras, including new HD-TVI Hi-Def over Coax cameras,?from some of the top-quality and value manufacturers in the CCTV industry. We feature?CCTV bullet, dome, PTZ, discreet, and box-style CCTV cameras from established and quality cctv manufacturers.

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HD-TVI means High Definition Transport Video Interface. HD-TVI technolology, developed in the USA, can convert digital signals to analog ones, extend video transmission distance, reduces the total cost of cctv projects, and take less storage capacity,?

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Features of HD-TVI CCTV Technology:

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  • 1080P/720P( 25/30 fps) video signal
  • Long transmission distance at 300-500 m
  • No Video loss
  • Real-time preview with no delay
  • Transmit video signal, audio signal and dual-way data communication over a singal coaxial cable!
  • Transmits over standard coaxial cable, allowing users to easily and inexpensively upgrade older analog camera systems using existing cable.
  • DVRs are backwards-compatible with all existing 960H / 700TVL / Analog cameras.

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Advantages of HD-TVI over HD-CVI, HD-SDI, and IP Cameras:

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  • Lower coaxial cable quality requirement than HD-SDI
  • Longer transmission distance than HD-SDI or IP camera
  • Higher anti-interference and transmission reliability than IP or HD-SDI
  • Lower bandwidth requirement than IP CCTV systems
  • Longer UTP transmission distance than HD-CVI
  • Only technology that is compatible with 1080p/720p and analog simultaneously (HD-CVI is NOT!)
  • Shared technology between many manufacturers versus HD-CVI from a single manufacturer (Dahua), meaning greater range of compatible products available
  • Best of all - Low unit costs make HD-TVI technology an EXCELLENT investment for Hi-Def CCTV sureveillance!

All of our DVRs are compatable with both HD-TVI cameras and?analog 700TVL 960H cameras.

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Try our simple CCTV Lens Angle Calculator to determine the right lens for your camera installation!
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